Hey my Stereo system not putting out the usually base (BOSE) - Mercedes-Benz Forum
 
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post #1 of 7 (permalink) Old 06-23-2019, 09:26 PM Thread Starter
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Hey my Stereo system not putting out the usually base (BOSE)

Hey my Stereo system not putting out the usually base, I've checked the fuse behind passenger side seat (audio gateway amplifier) is there some other fuse or switch/relay. like the car use to shake with the base up, now its like when the base kicks in the system go low like its low on power.

also how would i hook up a after market amp, just in case i want some subs in the back

I have a another issue with a hydraulic lock too but i make a new thread to simplify it


Thanks
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post #2 of 7 (permalink) Old 06-23-2019, 10:16 PM
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Originally Posted by sl600kid View Post
I have a another issue with a hydraulic lock too but i make a new thread to simplify it
Any post you make requesting help probably ought to include the year of your car and often the mileage on your odometer. That is the case here.
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post #3 of 7 (permalink) Old 06-23-2019, 10:27 PM Thread Starter
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04 sl600 154k miles
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post #4 of 7 (permalink) Old 06-25-2019, 12:33 PM Thread Starter
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SO I took out the amp inspected it, replace the fuse (didn't look blown) made sure all the connections was tight, to the disc changer and the antenna transmitter, and so far it sounds like the power is back, I'll upload pics
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post #5 of 7 (permalink) Old 06-25-2019, 12:42 PM
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...made sure all the connections was tight, to the disc changer and the antenna transmitter, and so far it sounds like the power is back...
Excellent. I wouldn't have thought poor connections could possibly be cause of your problem, but this certainly seems to be the case.
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post #6 of 7 (permalink) Old 06-25-2019, 08:01 PM Thread Starter
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its a decent job to get to the amp, but not to hard, its a bout a 1-2 hr job but the hard part is getting behind the seat comfortably, im a 5'9 guy that would consider myself fit, but its hard to maneuver around getting the trim pieces out and angling the screw driver/drill to remove screws.

but Im most likely to replace the bose amp, and add a big sub in the back.

lots of wires, felt sorry for the person that had to wire all this up and test it.

Is there any tutorials or threads about adding a sub to the bose amp, or full amp replacement & yeah its definitely fiber optic, but theres plenty of space under the trim makes me wonder why they didn't just add a seat (but probably more safety tests needed)

Wonder will it be hard to make seats in the rear

the old fuse is the one on the left thats look rusted

also a fiber optic cable runs into a box that the pse pump cable runs into and says pse something
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post #7 of 7 (permalink) Old 06-25-2019, 10:38 PM
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Originally Posted by sl600kid View Post
but Im most likely to replace the bose amp, and add a big sub in the back.
Unlike a typical audio system, there are no crossovers on any of the speakers -- they aren't needed, since the Bose amp has internal "active" crossovers which divide the frequencies before they are amplified. Among several benefits this improves efficiency with respect to amplifier power and reduces "intermodulation distortion" which can be measured with test instruments but perhaps not heard.

If you substitute another amp for the Bose, then at a minimum you should put a capacitor in series with each tweeter to pass only the high frequencies the tweeters are intended to reproduce. Capacitors have different sizes (capacitance). I don't know what an appropriate sized capacitor would be.
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